}

    public ExecutionNodeAccessHierarchy getOutputHierarchy() {
        return outputHierarchy;
    }

    public ExecutionNodeAccessHierarchy getDestroyableHierarchy() {
        return destroyableHierarchy;
    }

    public static class InputNodeAccessHierarchy extends ExecutionNodeAccessHierarchy {

        mutations.hasValidationProblem = nodeValidator.hasValidationProblems(node);
        accessHierarchies.getOutputHierarchy().recordNodeAccessingLocations(node, mutations.outputPaths);
        accessHierarchies.getDestroyableHierarchy().recordNodeAccessingLocations(node, mutations.destroyablePaths);
    }

    private static final class ResolveTaskMutationsDetails implements ResolveTaskMutationsBuildOperationType.Details {

            taskNodeFactory,
            ordinalGroupFactory,
            dependencyResolver,
            executionNodeAccessHierarchies.getOutputHierarchy(),
            executionNodeAccessHierarchies.getDestroyableHierarchy(),
            lockCoordinationService
        );
    }

    @Provides
    ExecutionNodeAccessHierarchies createExecutionNodeAccessHierarchies(FileSystem fileSystem, Stat stat) {